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我对LPS25H MEMS气压计芯片很感兴趣,但我很难搞清楚HCLGA-10L封装的尺寸。
以下是数据表中提到的内容: 我不能从他的垫子的尺寸解读。我相信e1 / 2可能会给我宽度,但我无法确定长度。也许那就是B应该是什么意思,但我没有看到它。 另外,我发现有一个http://www.st.com/st-web-ui/stat ... note/DM00064026.pdf 但找不到一个LPS25H。我意识到这是一个非常新的部分,但这会有所帮助 - 它提供了如何布置衬垫的一些指导。 有人可以更机械地倾向于为我解析这个吗? 谢谢。 #hclga-10L 以上来自于谷歌翻译 以下为原文 I am interested in the LPS25H MEMS barometer chip, but I am having a hard time figuring out the footprint of the HCLGA-10L package. Here is what is called out in the datasheet: I cannot decipher from his what the dimensions of the pads should be. I believe that e1/2 might give me the width, but I cannot determine the length. Maybe that's what B is supposed to mean, but I don't see it. Also, I found that there is a http://www.st.com/st-web-ui/stat ... note/DM00064026.pdf but cannot find one for the LPS25H. I realize it's a very new part, but this would help -- it provides some guidance on how the pads should be laid out. Can someone more mechanically inclined parse this for me? Thanks. #hclga-10l |
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作为参考,这里是LPS331AP的品质因数,它是一个可比较的部分(虽然分辨率更差)。
T1和T2给出了垫的尺寸,其余的可以很容易地推断出来。 我想我应该只使用LPS331AP ...... 以上来自于谷歌翻译 以下为原文 For reference, here is the figure of merit from the LPS331AP, which is a comparable part (though with worse resolution). T1 and T2 give the dimensions of the pads, and the rest can be inferred easily. I suppose I should just use the LPS331AP instead... |
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获得对ST的支持比从血石中获取血液要困难得多。它们位于本数据表的第3版,但仍未处理此问题。
飞思卡尔生产了几款价格相近的好零件。 以上来自于谷歌翻译 以下为原文 Getting support for ST is much harder than getting blood out of a stone. They are at Rev 3 of this data sheet and still haven't dealt with this problem. Freescale make a couple of nice parts which are similar in price. |
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你好,
事实上,我们将提供更多细节的图纸质量; 您正在寻找的焊盘尺寸为:0.30mm x 0.45mm(公差+/- 0.05 mm) 您可以在此地址的LPS331AP正下方找到LPS25H AN http://www.st.com/stonline/stappl/resourceSelector/app?page=fullResourceSelector&doctype=application_note&SubClassID=1316 谢谢你的提问 以上来自于谷歌翻译 以下为原文 Hello, Infact we are going to improve the quality of the drawing with more details; The pad dimension you are looking for are: 0.30mm x 0.45mm (+/- 0.05 mm tolerance) You can find the LPS25H AN just below the LPS331AP , at this address http://www.st.com/stonline/stappl/resourceSelector/app?page=fullResourceSelector&doctype=application_note&SubClassID=1316 Thank you for your questions |
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